Examine source code of Yo amo a Firefox

{
  "theme": {
    "images": {
      "theme_frame": "4arriba.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Yo amo a Firefox",
  "manifest_version": 2,
  "description": "usa algo que diga:\nYo amo a firefox, el mejor navegador."
}